Page 9 - Basic Electrical Engineering
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6.6 Transformer on No-load
6.7 Transformer on Load
6.8 Transformer Circuit Parameters and Equivalent Circuit
6.9 Phasor Diagram of a Transformer
6.10 Concept of Voltage Regulation
6.11 Concept of an Ideal Transformer
6.12 Transformer Tests
6.12.1 Open-circuit Test or No-load Test
6.12.2 Short-circuit Test
6.13 Efficiency of a Transformer
6.14 Condition for Maximum Efficiency
6.15 All-day Efficiency
6.16 Calculation of Regulation of a Transformer
6.17 Factors Affecting Losses in a Transformer
6.18 Solved Numerical Problems
6.19 Review Questions
7. DC Machines
7.1 Introduction and Principle of Working
7.1.1 Nature of Load Current When Output is Taken out Through Brush and Slip-ring
Arrangement
7.1.2 Nature of Load Current When Output is Taken Through Brush and Commutator
Arrangement
7.1.3 Function of Brush and Commutators in Motoring Action
7.2 Constructional Details
7.2.1 The Field System
7.2.2 The Armature
